Check for null when dereferencing address

dividat · Apr 3, 2024 · ba9ad8e · ba9ad8e
1 parent 62f5d45
commit ba9ad8e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/dividat-driver/firmware/main.go b/src/dividat-driver/firmware/main.go
@@ -63,7 +63,7 @@ type OnProgress func(msg string)
 func Update(parentCtx context.Context, image io.Reader, deviceSerial *string, configuredAddr *string, onProgress OnProgress) (fail error) {
 	// 1: Find address of a Senso in normal mode
 	var controllerHost string
-	if *configuredAddr != "" {
+	if configuredAddr != nil && *configuredAddr != "" {
 		// Use specified controller address
 		controllerHost = *configuredAddr
 		onProgress(fmt.Sprintf("Using specified controller address '%s'.", controllerHost))
@@ -94,7 +94,7 @@ func Update(parentCtx context.Context, image io.Reader, deviceSerial *string, co
 
 	// 3: Find address of Senso in bootloader mode
 	var dfuHost string
-	if *configuredAddr != "" {
+	if configuredAddr != nil && *configuredAddr != "" {
 		dfuHost = *configuredAddr
 	} else {
 		ctx, cancel := context.WithTimeout(parentCtx, 60*time.Second)